Home / 28,620.04-39,498.16-16,683.13

Finding the Fourth Proportional to 28,620.04, 39,498.16 and 16,683.13

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Solution

The fourth proportional to 28,620.04, 39,498.16 and 16,683.13 is: 23,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.04 : 39,498.16 = 16,683.13 : x
  2. Step 2: Convert to fraction form
    28,620.04/39,498.16 = 16,683.13/x
  3. Step 3: Cross multiply
    28,620.04x = 39,498.16 × 16,683.13
  4. Step 4: Simplify right side
    28,620.04x = 658,952,938.04
  5. Step 5: Solve for x
    x = 658,952,938.04/28,620.04
  6. Step 6: Final answer
    x = 23,024.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.